Mersen Surge-Trap® Pluggable STPT12 Series - 12.5kA 83120146

STP T12 12.5 is the series of combined Type 1+2/Class I+II devices for discharging lightning currents and protecting against voltage surges, in accordance with EN/IEC 61643. Suitable as the first step of protection in incoming power supply panels and areas with exposure to the atmosphere, where installations are usually provided with an external lightning protection system. Features Lightning impulse current (10/350?s): 12.5kA per phase Maximum discharge current (8/20?s): 50kA per phase Nominal discharge current (8/20?s): 20kA per phase TNS, TNC, TT and IT networks Un(L-N/L-L): 60V, 120/208V, 230/400V, 277/480V and 400/690V DIN-rail mountable, plug-in format Visual and remote end of life indicators Reversible chassis to allow cable entry from above or below Mechanically coded cartridges to avoid cartridge replacement errors Back-up fuse: 200 A gG Applications Industry and automation Commercial and residential installations Telecom & IT & Data Centers Water treatment Smart grid & LV Metering Photovoltaic & wind